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/* $OpenBSD: netboot.c,v 1.8 2011/06/05 21:49:36 miod Exp $ */
/* $NetBSD: netboot.c,v 1.1 1996/09/18 20:03:12 cgd Exp $ */
/*
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Ralph Campbell.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)boot.c 8.1 (Berkeley) 6/10/93
*/
#include <lib/libkern/libkern.h>
#include <lib/libsa/stand.h>
#include <sys/param.h>
#include <sys/exec.h>
#include <machine/rpb.h>
#include <machine/prom.h>
char boot_file[128];
char boot_flags[128];
extern char bootprog_name[], bootprog_rev[];
vaddr_t ptbr_save;
int debug;
void
main()
{
u_int64_t entry;
u_long marks[MARK_MAX];
int rc;
/* Init prom callback vector. */
init_prom_calls();
/* print a banner */
printf("%s %s\n", bootprog_name, bootprog_rev);
/* switch to OSF pal code. */
OSFpal();
prom_getenv(PROM_E_BOOTED_FILE, boot_file, sizeof(boot_file));
prom_getenv(PROM_E_BOOTED_OSFLAGS, boot_flags, sizeof(boot_flags));
if (boot_file[0] == '\0')
bcopy("bsd", boot_file, sizeof "bsd");
else
(void)printf("Boot: %s %s\n", boot_file, boot_flags);
(void)printf("Loading %s...\n", boot_file);
marks[MARK_START] = 0;
rc = loadfile(boot_file, &marks, LOAD_KERNEL | COUNT_KERNEL);
(void)printf("\n");
if (rc == 0) {
entry = marks[MARK_START];
(void)printf("Entering kernel at 0x%lx...\n", entry);
(*(void (*)(u_int64_t, u_int64_t, u_int64_t))entry)
(0, ptbr_save, 0);
}
(void)printf("Boot failed! Halting...\n");
halt();
}
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